Home / 12,229.92-18,338.40-5,296.32

Finding the Fourth Proportional to 12,229.92, 18,338.40 and 5,296.32

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Solution

The fourth proportional to 12,229.92, 18,338.40 and 5,296.32 is: 7,941.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.92 : 18,338.40 = 5,296.32 : x
  2. Step 2: Convert to fraction form
    12,229.92/18,338.40 = 5,296.32/x
  3. Step 3: Cross multiply
    12,229.92x = 18,338.40 × 5,296.32
  4. Step 4: Simplify right side
    12,229.92x = 97,126,034.69
  5. Step 5: Solve for x
    x = 97,126,034.69/12,229.92
  6. Step 6: Final answer
    x = 7,941.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.